Monday, 30 April 2012

What makes sandcastles and slopes collapse? Ask pupils if they have ever made a big sandcastle. What was the steepest angle they
could build the side walls of the castle? Could they make a steeper wall if the sand was dampened? Questions like these go well beyond the playground or beach. Many people have been killed by the collapse of unstable slopes of loose rock or sand.
This ELI investigates the factors which affect the angle at which loose materials rest before they begin to slide.
This is one of many activities in our Earth energy/processescategory. Activities relating to landslides can be found in Natural hazards.

Monday, 23 April 2012

The new ELI today is the second of our Opengeoscienceactivities. By doing this activity, you will be able to find on geological maps:-
- shallow-dipping sedimentary rocks
- vertical rocks
- folded sedimentary rocks
- unconformity
You will be able to explore how geological features appear on maps and how the formations are linked to relief features.
Brilliant resource!Let us know how you get on.
This activity is the 130th practical Earthlearningidea to be found on our website - search for an Earth-related topic you want to know about.

Sunday, 22 April 2012

Geology teaching collection for disposal: a school in Sheffield, England, UK cannot see its way to restarting a geology course, so the excellent teaching collection is now available free to anyone who can demonstrate a need for it, with preference being given to those who are in the early stages of building up a course in a school or 6th Form College.
The collection consists of a wide range of minerals, rocks and fossils, packed into 40 stacking mushroom boxes, a limited amount of equipment, and a range of geological maps, including some multiple copies.Emailto enquire further and to arrange collection.

Monday, 16 April 2012

Have your pupils tried making their own 'fossil' animal trails by using the ELI'Trail-making'? Pupils
are asked to use their understanding of how animals move today and in
the past to create realistic trails as they might have appeared in
the past and been preserved in the fossil record.

This is one of many thought-provoking activities in the Evolution of Life category on the Earthlearningidea website.

Try this one - to look at a volcanic vent and lava flow – type ‘Castleton, Derbyshire’ to see the vent or neck of a volcano in red, and a lava flow in pink (as shown in the image above). The snaking view of the lava flow appears like this because it is sandwiched between two layers of limestone on a hillside, shown in turquoise.

Monday, 2 April 2012

Have you tried this ELI - Make your own oil and gas reservoir? It demonstrates how oil and water flow through permeable rocks and could form part of a lesson on the world’s resources. It is a simple way of demonstrating that oil and gas do not normally occur in underground lakes, but are held within the pore spaces of the rock.
This is one of many practical activities about world resources - search our website for more.

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About Earth Learning Idea

ELI is publishing FREE Earth-related teaching ideas, designed to be practical resources for teachers and teacher-trainers all over the world.We publish new Earth Learning Ideas every two weeks. Some of these activities require the use of some basic school laboratory equipment and some include abstract ideas. We label these activities ELI+. Each activity is designed to create pupil participation for maximum learning.All activities are free to download and most require minimal cost and equipment. Best of all, they are fun!